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Would a faulty egr valve cause your car to jerk?

A faulty EGR (exhaust gas recirculation) valve can contribute to jerking, but it's not the only cause, and it's not always the primary cause. A faulty EGR valve can cause rough running, hesitation, and stuttering, which might manifest as jerking, especially under specific driving conditions (like acceleration or deceleration).

However, jerking is a symptom that can stem from many different problems in a car, including:

* Spark plugs/ignition coils: Misfires are a common cause of jerking.

* Fuel injectors: Clogged or faulty injectors can cause inconsistent fuel delivery.

* Mass airflow sensor (MAF): An inaccurate MAF reading can lead to incorrect fuel mixture.

* Throttle position sensor (TPS): Similar to the MAF sensor, a faulty TPS provides incorrect information to the engine control unit (ECU).

* Transmission problems: Issues with the automatic transmission or clutch (in manual transmissions) can also cause jerking.

Therefore, while a faulty EGR valve *could* be a contributing factor to jerking, a proper diagnosis is needed to pinpoint the exact cause. You should have a mechanic perform a diagnostic scan to identify the problem.

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